proposed that the Sun passed through a dense interstellar cloud and emerged with a dusty, gaseous envelope that eventually became the planets

Sun-comet encounter that sent matter to form planet;

In the 1700s Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace independently thought of a rotating gaseous cloud that cools and contracts in the middle to form the sun and the rest into a disc that become the planets.

Collision of the Earth with large object produces the

smaller than meteorites

What happens to Venus when there is a high collision with large objects?

The Milky Way is part of the so-called

makes the outer boundary of the solar system

sun’s companion star colliding with another to form a proto-planet that breaks up to form Jupiter and Saturn.

location of asteroid belt

The solar system is located in the

capture theory is a variation of James Jeans’

Age of earth and solar system

This theory failed to account for the distribution of angular momentum in the solar system.

currently accepted theory on the origin of the solar system relies much on information from meteorites.

basis of determining the age of the Solar System

Mostly composed of rocks

gas giants

Nobel Prize winner compositional studies on meteorites in the 1950s

spiral arms

caused of destroy much of the mantle of Mercury

one that did not form due to disturbance from Jupiter's gravity

planetesimal hypothesis involving a star much bigger than the Sun passing by the Sun and draws gaseous filaments from both out which planetesimals were formed;

Sun-comet encounter that sent matter to form planet;

Age in the Orion arm of the Milky Way galaxy, a slowly rotating gas and dust cloud dominated by hydrogen and helium starts to contract due to gravity

formed at the beginning of our Solar System

mass move to the center to eventually become a...